FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Type | Bushed |
| Bushing Part Number | 2517 |
| Bushing Type | 2517 Taper Lock |
| Chain Number | 80 |
| Chain Pitch | 1" |
| Chain Size | #80 |
| Construction | Welded |
| Construction Type | Welded |
| For Chain Number | 80 |
| For Chain Pitch | 1" |
| Hub Configuration | B |
| Hub Dia. | 4 1/4" |
| Hub Outside Dia. | 4 1/4" |
| Individually Packaged | No |
| Length Through Bore | 1 3/4" |
| Length Thru Bore | 1 3/4" |
| Material | Steel |
| Max. Bore Size | 2 1/2" |
| Min. Bore Size | 1/2" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 21 |
| Outside Dia. | 7.235" |
| Pitch | 1" |
| Pitch Dia. | 6.7095" , 6.71" |
| Single Strand Tooth Thickness | 0.575" |
| Storage Dimension Height | 1 3/4" |
| Storage Dimension Length | 7.235" |
| Storage Dimension Width | 7.235" |
| Type | Taper Bushed Type B |
Shipping Info:
| Ship weight (kg) | 2.52 |
| Ship height (cm) | 4.45 |
| Ship length (cm) | 18.39 |
| Ship width (cm) | 18.39 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Storage Dimension Length | Storage Dimension Width | Storage Dimension Height | Length Thru Bore | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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80BTB10 | 3.236" | 10 | 1 1/2" | 2 3/8" | 3 3/4" | 3 3/4" | 1 14/25" | 1 1/2" | €111.42 | |
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80BTB11 | 3.5495" | 11 | 1 1/2" | 2.469" | 4 1/8" | 4 1/8" | 1 14/25" | 1 1/2" | €116.84 | |
![]() |
80BTB12 | 3.864" | 12 | 1 1/2" | 3" | 4 7/16" | 4 7/16" | 1 14/25" | 1 1/2" | €124.08 | |
![]() |
80BTB13 | 4.179" | 13 | 1 1/2" | 3" | 4 3/4" | 4 3/4" | 1 14/25" | 1 1/2" | €122.88 | |
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80BTB14 | 4.494" | 14 | 1 1/2" | 3 1/4" | 5 1/8" | 5 1/8" | 1 14/25" | 1 1/2" | €131.39 | |
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80BTB15 | 4.81" | 15 | 1 1/2" | 3 1/2" | 5 3/4" | 5 3/4" | 1 14/25" | 1 1/2" | €134.31 | |
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80BTB16 | 5.126" | 16 | 1 1/4" | 4" | 6" | 6" | 1.31" | 1 1/4" | €147.21 |
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MARTIN SPROCKET 80BTB21 Roller Chain Sprocket, 80 Chain, Bushed TB, 21 Teeth, 6.710 Inch Pitch Dia., Steel
€241.84 /unit






